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| white | black | year | event | guessed | |
| Hashimoto Utaro (8p) | Nabeshima Ichiro (6p) | 1949 | Hashimoto vs. 6-dans Series sponsored by Yomiuri Shinbun | | start |
| Hashimoto Utaro (8p) | Tainaka Shin (6p) | 1949 | Hashimoto vs. 6-dans Series sponsored by Yomiuri Shinbun | | start |
| Kitani Minoru (8p) | Kajiwara Takeo (6p) | 1949 | Japan Promotion Tournament, 1949 | | start |
| Go Seigen (8p) | Kubouchi Shuchi (6p) | 1949 | Go Seigen vs. 10 High dan players | | start |
| Takagawa Kaku (7p) | Fujisawa Kuranosuke (9p) | 1950 | 5th Honinbo League | | start |
| Maeda Nobuaki (7p) | Go Seigen (8p) | 1950 | Go Seigen vs. 10 High dan players | | start |
| Suzuki Kensho (5p) | Hasegawa Akira (7p) | 1950 | 5th Honinbo League | | start |
| Takagawa Kaku (7p) | Hasegawa Akira (7p) | 1950 | 5th Honinbo League | | start |
| Yasunaga Hajime (4p) | Hashimoto Shoji (3p) | 1950 | Game for Igo Shunju | | start |
| Fujisawa Kuranosuke (9p) | Hayashi Yutaro (7p) | 1950 | 5th Honinbo League | | start |
| Kitani Minoru (8p) | Hayashi Yutaro (7p) | 1950 | 5th Honinbo League | | start |
| Go Seigen (8d) | Sumino Takeshi (6d) | 1950 | Sponsored by Yomiuri Shinbun | | start |
| Hashimoto Utaro (8p) | Suzuki Kensho (5p) | 1950 | 5th Honinbo League | | start |
| Miyashita Shuyo (7p) | Tainaka Shin (6p) | 1950 | East Vs. West, 1st | | start |
| Hashimoto Utaro (8p) | Takagawa Kaku (7p) | 1950 | 5th Honinbo League | | start |
| Hosokawa Senjin (7p) | Takagawa Kaku (7p) | 1950 | East-West Japan Match to mark unification of Ki-ins | | start |
| Go Seigen (9p) | Hashimoto Utaro (8p) | 1950 | Second 10-game match sponsored by Yomiuri Shinbun | | start |
| Kitani Minoru (8p) | Hayashi Yutaro (7p) | 1950 | Japan Promotion Tournament, 1950 | | start |
| Fujisawa Shuko (6p) | Sumino Tsunehiro (6p) | 1950 | Japan Promotion Tournament, 1950 | | start |
| Kitani Minoru (8p) | Fujisawa Kuranosuke (9p) | 1950 | 6th Honinbo League | | start |
| Go Seigen (9p) | Hashimoto Utaro (8p) | 1950 | Second 10-game match sponsored by Yomiuri Shinbun | | start |
| Sakata Eio (7p) | Iwamoto Kaoru (8p) | 1950 | 6th Honinbo League | | start |
| Kitani Minoru (8p) | Mitsuhara Itaro (7p) | 1950 | Oteai | | start |
| Hashimoto Utaro (8p) | Sato Sunao (5p) | 1950 | Oteai | | start |
| Hasegawa Akira (7p) | Takagawa Kaku (7p) | 1950 | 6th Honinbo League | | start |
